Nico Hulkenberg’s Barcelona Grand Prix ended in unusual fashion after gravel or a stone thrown up by Liam Lawson’s car at Turn 12 struck the emergency kill switch on Hulkenberg’s Audi and shut the engine down. Hulkenberg said Lawson had run wide while the pair were fighting for ninth place, and that debris from the gravel strike triggered the switch and left the car to coast to a stop. The retirement came on lap 28.
Hulkenberg said the car “totally switched off” and that he had never experienced anything like it in his career. He was able to limp back to the pits, but the car would not restart. Audi later said gravel hit both the fire extinguisher and the ERS kill switch, causing the sudden loss of power. Hulkenberg’s mechanics initially treated it as a routine pit stop and changed his tires before the problem was identified.
The incident denied Hulkenberg what would have been his first points finish of the 2026 season. After the race he remained 19th in the standings for Audi. Lawson said he did not know his mistake had caused Hulkenberg’s retirement and called the situation “so unfortunate.” Audi racing director Allan McNish said the failure was a frustrating end to a strong weekend for Hulkenberg.
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